• Source 
    1. #include<iostream>
    2. using namespace std;
    3. main(){
    4. 	int x,y;
    5. 	int ngay[]={0,31,28,31,30,31,30,31,31,30,31,30,31};
    6. 	cin>>x>>y;
    7. 	int songay=ngay[x];
    8. 	int kq;
    9. 	if (y!=1){
    10. 		kq=1;
    11. 		songay=songay-(8-y);
    12. 		kq=kq+songay/7;
    13. 		if (songay%7!=0) kq++;
    14. 	}
    15. 	else {
    16. 		kq=songay/7;
    17. 		if (songay%7!=0) kq++;
    18. 	}
    19. 	cout<<kq;
    20. }